Ariston INTESA TP23 Podręcznik użytkownika, instrukcje instalacji i serwisowania - Strona 28

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8. GAS ADJUSTMENTS

Model
Lower Wobbe Index (15°C;1013mbar)
TP 23
MJ/m
3
h
TP 30
Nominal Delivery Pressure
Minimum Delivery Pressure
TP 23
Main Burner: n. 14 jets (ø)
Consumption (15°C; 1013mbar)
Consumption (15°C; 1013mbar)
Gas Burner Pressure
max - min
TP 30
Main Burner: n. 14 jets (ø)
Consumption (15°C; 1013mbar)
Consumption (15°C; 1013mbar)
Gas Burner Pressure
max - min
8.1
Changing the Type of Gas
The boiler can be converted to use either
methane (natural) gas (G20) or L.P.G. (G30
- G31) by an Authorised Service Centre.
The operations that must be performed are
the following:
1. Replace the jets on the main burner (see
table in section 8);
2. Adjust the maximum and minimum ther-
mal capacity values for the boiler
(see table in section 8 and 8.2
Adjusting the Gas Pressures);
3. Adjust the maximum thermal power set-
ting;
4. Adjust the soft-light feature (see table
below for recommended pressure);
5. Adjust the ignition delay feature for the
heating system by adjusting the
jumper 2 as shown in Section. 6.13 (can
be set from 0 to 2 mins.).
1
B
A
Supplied By www.heating spares.co Tel. 0161 620 6677
CATEGORY II2H3+
CATEGORY
II2H3+
Recommended
Soft-light
Pressure
(mbar)
Methane Gas
Liquid Butane Gas
G20
45.67
mbar
20
mbar
20
mm
1.25
m
3
/h
2.80
Kg/h
----
mbar
11.3 - 2.0
mm
1.35
m
3
/h
3.49
Kg/h
---
mbar
11.5 - 2.2
Model
Methane Gas
Microcombi
TP 23
TP 30
8.2
Adjusting the Gas Pressures
Setting the minimum and the maximum power of the boiler
1. Check that the supply pressure and dynamic pressure to the
gas valve is a minimum of 20 mbar for natural gas.
2. To do this, loosen the screw "A".
Fit the pipe of the pressure gauge to the inlet pressure con-
nection of the gas valve "B" and check for the correct stand-
ing pressure, then operate the appliance and check for the
correct working pressure.
When you have completed this operation, replace the screw
"A" securely into its housing to seal off the gas (check for
tightness).
3. To check the pressure supplied by the gas valve to the burner,
loosen the screw "C". Fit the pipe of the pressure gauge to the
pressure outlet test point of the gas valve "D".
Disconnect the compensation pipe "D1" either from the gas
valve or from the sealed chamber.
4. Push the On/Off button to "ON" position -green light- and
ensure that the hot water temperature control knob is set to
maximum.
Turn on the boiler by running a hot water tap.
Adjust the 10mm nut "E" on the modureg to set the maximum
gas pressure, turn the nut clockwise to increase and anti clock-
wise to decrease the pressure until the required pressure is
achieved (see TABLE A page 28).
28
Liquid Propane Gas
G30
80.58
29
28
0.72
----
2.09
28.1 - 5.0
35.6 - 6.8
0.80
---
2.60
26.8 - 5.3
Liquid
G20
Butane Gas
G30
5
12
4.5
12
G31
80.58
37
36
0.72
----
2.06
0.80
---
2.56
34 - 6.5
Liquid
Propane Gas
G31
12
12